adj
odd
od
adj
1
Strange, unusual, or not what you would expect.
"There was an odd smell coming from the basement."
"It struck her as odd that he never mentioned his brother."
2
Of a whole number: not divisible evenly by two.
"Three, five, and seven are all odd numbers."
3
Left over or unmatched, such as one item from a pair or set.
"He was left holding the odd sock after the wash."
4
Placed after a round number to mean "a little more than".
"She's owned that car for thirty-odd years."
How to Use Odd
Learner’s notesIn plain EnglishStrange, or (in math) not divisible by two, or (of items) unmatched/left over.
Easily confused with
Common pairings
an odd number
odd one out
odd jobs
act odd
Word Forms
odder comparative, odds plural, oddest superlative
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Etymology
From Old Norse oddi, meaning "point" or "triangle" — an object that stuck out on its own rather than pairing neatly with another, which is how it came to mean "leftover" or "unmatched".